With six different colours, twenty one coloured pieces and fifty four outer surfaces, the Rubik's Cube has a mind-boggling 43 quintillion different possible combinations! 

It's hard to imagine what a crowd of one billion people would look like, but if one billion children stood on each other's shoulders, they would reach past the moon! 

How Big Is 43 Quintillion  helps readers understand large numbers by relating them to everyday situations.

Simple explanations accompanied by amusing infographics help readers visualise large numbers and get a grip on basic concepts in Maths.

A glossary and further reference material are also included at the end of the book.


Invention is a big part of daily life and anyone can be an inventor!

How To Invent breaks the process down into eight easy-to-follow stages and offers tips and examples for every stage.

With a particular focus on inventing toys and puzzles, discover how and why the Rubik's cube was invented and the problems Erno Rubik encountered along the way.

There are also case studies of inspirational young inventors, including gymnast George Niseen who invented the trampoline at the age of 16!